Introduction :  Reference manual / 
F.Von Fleckenstein and oth. 
 - Rome :  Food and Agriculture Organization of the United Nations,  1992. 
 - 20 p.:  ill.;  25 sm.  CD. 
 - FAO computerized information series agriculture  1 .
<br/><br/><label>ISBN: </label>92-5-103244-0 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Reference manual<br/>Agriculture